diff --git a/orm_lib/tests/db_test.cc b/orm_lib/tests/db_test.cc
index 67ae8ee7..b74f5503 100644
--- a/orm_lib/tests/db_test.cc
+++ b/orm_lib/tests/db_test.cc
@@ -544,6 +544,5 @@ int main()
             testOutput(false, "ORM mapper asynchronous interface(1)");
         });
     globalf.get();
-    sleep(1);
     return 0;
 }